martes 15 de diciembre de 2009

domingo 6 de diciembre de 2009

sábado 23 de mayo de 2009

A new type of solar cell

Story: The iJET is a new type of solar cell that's cheap and easy to make, requiring not much more than a pizza oven, some nail polish remover, and a common inkjet printer. Australian scientist Nicole Kuepper describes her invention.

Listen to the interview and write a short comment on this invention: